[英]Cleaner way of dividing a list of tuples into multiple lists
标题是不言自明的,是否有一行表达式可以做到这一点?
可重现的例子:
Data = [(21,1,2000), (30,0,1991), (27,0,1994)]
age = [el[0] for el in Data]
sex = [el[1] for el in Data]
birth = [el[2] for el in Data]
print(age, sex, birth)
使用zip
:
age, sex, birth = zip(*Data) # tuple
# OR
age, sex, birth = map(list, zip(*Data)) # list
>>> age
[21, 30, 27]
>>> sex
[1, 0, 0]
>> birth
[2000, 1991, 1994]
对@Corralien 解决方案稍作修改,要在list
而不是在tuple
获得结果,请使用map
、 zip
一起获得结果
Data = [(21,1,2000), (30,0,1991), (27,0,1994)]
age, sex, birth = map(list, zip(*Data))
print(age, sex, birth, sep ='\n')
输出
[21, 30, 27] # age
[1, 0, 0] # sex
[2000, 1991, 1994] # birth
# You can do this by combining zip() with map() :
Data = [(21,1,2000), (30,0,1991), (27,0,1994)]
result = list(map(list, zip(*Data)))
print(result)
# [[21, 30, 27], [1, 0, 0], [2000, 1991, 1994]]
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